O Level Biology (5090)
Gas exchange Banker
17 questions · about 2% of the marks we indexed · examined in 9 of 9 sessions.
Questions by year
2026
- 2026 May/June · Paper 21 · Q2 (a, b(i), b(ii), c(ii))9 marksBreathing mechanism · Gas exchange surfaces & alveoli · Smoking & lungs
2025
- 2025 Oct/Nov · Paper 11 · Q131 markBreathing mechanism
- 2025 Oct/Nov · Paper 11 · Q181 markSmoking & lungs
- 2025 May/June · Paper 11 · Q141 markInspired vs expired air
- 2025 May/June · Paper 11 · Q201 markSmoking & lungs
2024
- 2024 Oct/Nov · Paper 11 · Q141 markBreathing mechanism
- 2024 Oct/Nov · Paper 12 · Q141 markBreathing mechanism
- 2024 May/June · Paper 11 · Q141 markGas exchange surfaces & alveoli
- 2024 May/June · Paper 11 · Q191 markSmoking & lungs
- 2024 May/June · Paper 21 · Q1 (a(i), a(ii), b)10 marksGas exchange surfaces & alveoli · Inspired vs expired air
2023
- 2023 Oct/Nov · Paper 11 · Q141 markBreathing mechanism
- 2023 May/June · Paper 11 · Q141 markInspired vs expired air
- 2023 May/June · Paper 11 · Q201 markSmoking & lungs
- 2023 May/June · Paper 22 · Q1 (a)3 marksInspired vs expired air
2022
- 2022 Oct/Nov · Paper 11 · Q191 markBreathing mechanism
- 2022 May/June · Paper 11 · Q191 markBreathing mechanism
- 2022 May/June · Paper 21 · Q2 (a(i))4 marksGas exchange surfaces & alveoli
No questions match this filter.
Find the full paper on the official Cambridge past-papers page or ask your school. “Paper 42” means Paper 4, variant 2.
Similar questions
Questions that test the same subtopic in different years. Practise them together to master one skill.
Gas exchange surfaces & alveoli 4 questions · 3/9 sessions
Breathing mechanism 7 questions · 6/9 sessions
Inspired vs expired air 4 questions · 3/9 sessions
Smoking & lungs 5 questions · 5/9 sessions
Subtopics
| Subtopic | Marks indexed | Sessions |
|---|---|---|
| Gas exchange surfaces & alveoli | 12 | 3/9 |
| Breathing mechanism | 11 | 6/9 |
| Inspired vs expired air | 9 | 3/9 |
| Smoking & lungs | 7 | 5/9 |